<p class="contribute">
  {% assign source_path = page.path | prepend: "_po/" | replace_first: ".md", ".po" %}
  {% assign source_url = source_path | prepend: "https://github.com/pgroonga/pgroonga.github.io/blob/master/" %}
  <a href="{{ source_url }}">誤字や誤訳、未訳を見つけたらお気軽にプルリクエストを送ってください！</a>
</p>
